NineLeaf Window Alarm Sensors,Sliding Door Alarms when Opened,Refrigerator Alarm,Door and Window Alarm,110dB Loud Alarm,Easy Installation,4 Alarm Modes,Suitable for Home, Office, Shop, Fridge, 5PK

<b>Product Parameter</b> <br><br><b>Material: </b>the host is with new import ABS shell, more durable! <br><br><b>Host size:</b>30*56*18mm <br><br><b>Magnet size:</b>9*35*13mm <br><br><b>G.W:</b>38g <br><br><b>Color:</b>White <br><br> <b>Batteries:</b>3pcs LR44 batteries for the host. (Contain) <br><br><b>Battery standby life time:</b>More than 12 months <br><br><b>Frequency:</b>433.92MHz <br><br><b>Alarm volume:</b>110dB (Test distance is 30cm) <br><br><b>Gap distance of installing(the distance between the host and magnet): </b> &lt;1cm <br><br><b>Operating temp:</b>10 degree below zero to 60 degree above zero <br><br><b>Storage temp:</b>20 degree below zero to 60 degree above zero <br><br><b>HOW TO USE</b> <br><b>Arming mode one</b> (it will keep alarming when the magnet is apart from alarm host) <br>In this state, once the magnet is apart from the alarm host, it will keep giving out alarm until the magnet and alarm get closer again or someone turns off the switch. <br><br><b>Arming mode two</b> (it will give out alarm sound for 30s once the magnet is apart from the alarm host) <br>First, make sure the magnet and alarm host are in the safe distance(10mm). <br>Turn on the switch, it will sounds "De.De" within 15 seconds after the beeps, turn down and up the switch, then it will sounds a longer beep “De..”indicating it is in the second arming mode. In this mode, when the door or window is open it will give out alarm for 30s until someone turn off the switch. <br><br><b>Closing door reminder mode:</b> <br>First, make sure the magnet and alarm host are in the safe distance(10mm). <br>In this mode, when the door or window remains open, it will sounds sounds “Di Di Di” to remind the door or window is open, and the beeps will become louder and louder until the door or window is closed or you turn off the switch. <br><br><b>Doorbell mode:</b><br>In this mode, when you open the door or window, it will sound “Ding Dong” once.

• 【Four-in-One Multifunctional Design】This alarm device combines four key functions: alarm, continuous alarm, doorbell, and door-closing reminder. It offers comprehensive security for your home or office, helping to deter potential theft, remind family members to close doors, and serve as a daily doorbell. Tailored to meet diverse needs, it ensures no detail is overlooked in safeguarding your space.
• 【Three Adjustable Modes】The alarm features three customizable modes: Continuous Alarm Mode detects when a door or window is opened and emits an alarm for 10 seconds. Door-Closing Reminder Mode alerts with three prompt sounds when a door transitions from closed to open. Doorbell Mode produces a notification sound when a door or window changes from closed to open. These three modes provide flexibility to suit various needs and scenarios.
• 【Low Battery Warning Function】This alarm includes a low-battery reminder feature. When the device’s battery is running low, it will automatically emit an alarm to prompt timely replacement or recharging. This function helps prevent security vulnerabilities caused by battery depletion, ensuring the alarm remains in optimal working condition and provides 24/7 protection for your safety.
• 【110dB Super Loud Alarm】Equipped with a powerful 110dB alarm, this device effectively deters intruders and captures the attention of those nearby, significantly enhancing the security of homes and offices. The alarm ensures timely alerts, even in quiet environments or during the night.
• 【Easy Installation】Featuring an adhesive installation design, this alarm requires no complicated tools or wiring. Simply use the included double-sided sticker for effortless setup in various indoor environments, such as doors, windows, freezers, filing cabinets, and more.